<!DOCTYPE html>
<html>
<head>
        <meta charset="UTF-8">
<script src="/jquery/jquery-1.11.1.min.js">
</script>
<script>
$(document).ready(function(){
  $("#btn1").click(function(){
    $('#test').load('/example/demo.html');
  })
})
</script>
</head>

<body>

<h3 id="test">请点击下面的按钮，通过 jQuery AJAX 改变这段文本。666</h3>
<button id="btn1" type="button">获得外部的内容</button>

</body>
</html>
